0=.003x^2-.16x+40

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Solution for 0=.003x^2-.16x+40 equation:


Simplifying
0 = 0.003x2 + -0.16x + 40

Reorder the terms:
0 = 40 + -0.16x + 0.003x2

Solving
0 = 40 + -0.16x + 0.003x2

Solving for variable 'x'.

Combine like terms: 0 + -40 = -40
-40 + 0.16x + -0.003x2 = 40 + -0.16x + 0.003x2 + -40 + 0.16x + -0.003x2

Reorder the terms:
-40 + 0.16x + -0.003x2 = 40 + -40 + -0.16x + 0.16x + 0.003x2 + -0.003x2

Combine like terms: 40 + -40 = 0
-40 + 0.16x + -0.003x2 = 0 + -0.16x + 0.16x + 0.003x2 + -0.003x2
-40 + 0.16x + -0.003x2 = -0.16x + 0.16x + 0.003x2 + -0.003x2

Combine like terms: -0.16x + 0.16x = 0.00
-40 + 0.16x + -0.003x2 = 0.00 + 0.003x2 + -0.003x2
-40 + 0.16x + -0.003x2 = 0.003x2 + -0.003x2

Combine like terms: 0.003x2 + -0.003x2 = 0.000
-40 + 0.16x + -0.003x2 = 0.000

Begin completing the square.  Divide all terms by
-0.003 the coefficient of the squared term: 

Divide each side by '-0.003'.
13333.33333 + -53.33333333x + x2 = 0

Move the constant term to the right:

Add '-13333.33333' to each side of the equation.
13333.33333 + -53.33333333x + -13333.33333 + x2 = 0 + -13333.33333

Reorder the terms:
13333.33333 + -13333.33333 + -53.33333333x + x2 = 0 + -13333.33333

Combine like terms: 13333.33333 + -13333.33333 = 0.00000
0.00000 + -53.33333333x + x2 = 0 + -13333.33333
-53.33333333x + x2 = 0 + -13333.33333

Combine like terms: 0 + -13333.33333 = -13333.33333
-53.33333333x + x2 = -13333.33333

The x term is -53.33333333x.  Take half its coefficient (-26.66666667).
Square it (711.1111113) and add it to both sides.

Add '711.1111113' to each side of the equation.
-53.33333333x + 711.1111113 + x2 = -13333.33333 + 711.1111113

Reorder the terms:
711.1111113 + -53.33333333x + x2 = -13333.33333 + 711.1111113

Combine like terms: -13333.33333 + 711.1111113 = -12622.2222187
711.1111113 + -53.33333333x + x2 = -12622.2222187

Factor a perfect square on the left side:
(x + -26.66666667)(x + -26.66666667) = -12622.2222187

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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